[meta-ti] [oe] ti81xx-psp-linux-2.6.37: broken kernel with gcc > 4.5

Thilo Fromm fromm at dresearch-fe.de
Fri May 18 07:55:36 PDT 2012

Hello Roger,

>> >>>>> sorry for the cross-post (openembedded-devel, meta-ti), I think
>> >>>>> this affects both projects one way or the other.
>> >>>>>
>> >>>>> Recently, meta-openembedded/toolchain-layer removed gcc-4.5.
>> >>>>> This means with oe-core + meta-oe you now can choose between
>> >>>>> gcc-4.6 and gcc-4.7.
>> >>>>> However, both compilers break the kernel we're using
>> >>>>> (ti81xx-psp-linux-2.6.37).
>> >>>>
>> > We're on a "TI DaVinci DM8148", featuring a cortex-a8 combined with
>> > a C674x DSP.
>> So a centaurus family SoC.
> Can you put some printk's in omap_mbox_register (plat-omap/mailbox.c) to print the list objects, in particular the mbox->name?

What are you trying to do? printk-debugging? Via E-Mail? Are you
serious? I provided a simple procedure to reproduce the issue. Please
reproduce and fix the problem.

> Would also be useful to see the same in omap_mbox_get() before the call to strcmp().

Please do that, go there and take a look.

We'll be using gcc-4.5 in the HidaV layer until TI fixes this mess.


Dipl.-Ing (FH) Thilo Fromm, MSc., Embedded Systems Architect
DResearch Fahrzeugelektronik GmbH
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